Read the dictionary definition of downcast. All definitions for this word.
1. a ventilation shaft through which air enters a mine
2. filled with melancholy and despondency
1. gloomy at the thought of what he had to face
2. gloomy predictions
3. a gloomy silence
4. took a grim view of the economy
5. the darkening mood
6. lonely and blue in a strange city
7. depressed by the loss of his job
8. a dispirited and resigned expression on her face
9. downcast after his defeat
10. feeling discouraged and downhearted
3. directed downward
1. a downcast glance
